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MySQL導出導入命令的用例

我要評論 2011/05/17 14:34:46 來源:綠色資源網(wǎng) 編輯:downcc.com [ ] 評論:0 點擊:185次

隨著數(shù)據(jù)的增多,數(shù)據(jù)的備份顯得日益重要,下面是mysql常用的數(shù)據(jù)導入導出命令。

  1.導出整個數(shù)據(jù)庫

  格式:mysqldump -u 用戶名 -p 數(shù)據(jù)庫名 > 導出的文件名

  舉例:

  C:Documents and SettingsOwner>mysql -u root -p

  Enter password:

  Welcome to the MySQL monitor.  Commands end with ; or g.

  Your MySQL connection id is 5 to server version: 5.0.7-beta-nt

  Type 'help;' or 'h' for help. Type 'c' to clear the buffer.

mysql> use testdb
Database changed
mysql> select * from user;
+--------+----------+----------+---------------+
| userid | username | password | email     |
+--------+----------+----------+---------------+
|    1 | aaa    | aaa    | aaaa      |
|    2 | bbb    | bbbb   | bbbb@sina.com|
+--------+----------+----------+---------------+
2 rows in set (0.00 sec)
  
mysql> select * from user1;
+--------+----------+----------+---------------+
| userid | username | password | email     |
+--------+----------+----------+---------------+
|    1 | cccc   | cccc   | cccc      |
|    2 | cccc   | cccc   | cccc@sina.com|
+--------+----------+----------+---------------+
2 rows in set (0.00 sec)

  在mysql的bin目錄里面執(zhí)行如下命令

  C:MySQLMySQL Server 5.0bin>mysqldump -u root -p testdb > testdb.sql

 Enter password:

  C:MySQLMySQL Server 5.0bin>

  testdb.sql內(nèi)容如下:

-- MySQL dump 10.10
--
-- Host: localhost   Database: testdb
-- ------------------------------------------------------
-- Server version 5.0.7-beta-nt
  
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO__ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
  
--
-- Table structure for table `user`
--
  
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user` (
  `userid` int(11) NOT NULL,
  `username` varchar(20) NOT NULL,
  `password` varchar(50) NOT NULL,
  `email` varchar(50) default NULL,
  PRIMARY KEY  (`userid`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
  
--
-- Dumping data for table `user`
--
  
/*!40000 ALTER TABLE `user` DISABLE KEYS */;
LOCK TABLES `user` WRITE;
INSERT INTO `user` S (1,'aaa','aaa','aaaa'),(2,'bbb','bbbb','bbbb@sina.com');
UNLOCK TABLES;
/*!40000 ALTER TABLE `user` ENABLE KEYS */;
  
--
-- Table structure for table `user1`
--
  
DROP TABLE IF EXISTS `user1`;
CREATE TABLE `user1` (
  `userid` int(11) NOT NULL,
  `username` varchar(20) NOT NULL,
  `password` varchar(50) NOT NULL,
  `email` varchar(50) default NULL,
  PRIMARY KEY  (`userid`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
  
--
-- Dumping data for table `user1`
--
  
/*!40000 ALTER TABLE `user1` DISABLE KEYS */;
LOCK TABLES `user1` WRITE;
INSERT INTO `user1` S (1,'cccc','cccc','cccc'),(2,'cccc','cccc','cccc@sina.com');
UNLOCK TABLES;
/*!40000 ALTER TABLE `user1` ENABLE KEYS */;
  
/*!40101 SET SQL_MODE=@OLD_SQL_MODE*/;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS*/;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS*/;
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT*/;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS*/;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION*/;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES*/;

 2.導出一個表

  格式:mysqldump -u 用戶名 -p 數(shù)據(jù)庫名 表名> 導出的文件名

  舉例:表結(jié)構(gòu)與上面的相同,命令如下:

  C:MySQLMySQL Server 5.0bin>mysqldump -u root -p testdb user > user.sql

  Enter password:

  C:MySQLMySQL Server 5.0bin>

  user.sql內(nèi)容如下:

-- MySQL dump 10.10
--
-- Host: localhost   Database: testdb
-- ------------------------------------------------------
-- Server version 5.0.7-beta-nt
  
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO__ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
  
--
-- Table structure for table `user`
--
  
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user` (
  `userid` int(11) NOT NULL,
  `username` varchar(20) NOT NULL,
  `password` varchar(50) NOT NULL,
  `email` varchar(50) default NULL,
  PRIMARY KEY  (`userid`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
  
--
-- Dumping data for table `user`
--
  
/*!40000 ALTER TABLE `user` DISABLE KEYS */;
LOCK TABLES `user` WRITE;
INSERT INTO `user` S (1,'aaa','aaa','aaaa'),(2,'bbb','bbbb','bbbb@sina.com');
UNLOCK TABLES;
/*!40000 ALTER TABLE `user` ENABLE KEYS */;
  
/*!40101 SET SQL_MODE=@OLD_SQL_MODE*/;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS*/;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS*/;
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT*/;
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS*/;
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION*/;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES*/;

 3.導出一個數(shù)據(jù)庫結(jié)構(gòu)

  格式:mysqldump -u 用戶名 -p -d --add-drop-table 數(shù)據(jù)庫 > 導出的文件名

  說明:-d 選項表示沒有數(shù)據(jù)    

  --add-drop-table 選項說明在每個create語句之前增加一個drop table

  舉例:表結(jié)構(gòu)與上面的相同

  C:MySQLMySQL Server 5.0bin>mysqldump -u root -p -d --add-drop-table testdb > testdbstruct.sql

  Enter password:

  C:MySQLMySQL Server 5.0bin>

  testdbstruct.sql內(nèi)容如下:

-- MySQL dump 10.10
--
-- Host: localhost   Database: testdb
-- ------------------------------------------------------
-- Server version 5.0.7-beta-nt
  
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
/*!40101 SET NAMES utf8 */;
/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!400

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